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Convert.ToBoolean Method (UInt64)

Converts the value of the specified 64-bit unsigned integer to an equivalent Boolean value.

This API is not CLS-compliant. 

Namespace:  System
Assembly:  mscorlib (in mscorlib.dll)

[CLSCompliantAttribute(false)]
public static bool ToBoolean(
	ulong value
)

Parameters

value
Type: System.UInt64
The 64-bit unsigned integer to convert.

Return Value

Type: System.Boolean
true if value is not zero; otherwise, false.

The following example converts an array of UInt64 values to Boolean values.


ulong[] numbers = { UInt64.MinValue, 6121, 403890774, UInt64.MaxValue };
bool result;

foreach (ulong number in numbers)
{
   result = Convert.ToBoolean(number);                                 
   Console.WriteLine("{0,-26:N0}  -->  {1}", number, result);
}
// The example displays the following output:
//       0                           -->  False
//       6,121                       -->  True
//       403,890,774                 -->  True
//       18,446,744,073,709,551,615  -->  True


.NET Framework

Supported in: 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Portable Class Library

Supported in: Portable Class Library

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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